Below are models of two types of cells. Which of the following structures are common to both cell types? A. mitochondria and vacuoles
B. mitochondria and cell wall
C. vacuoles and chloroplasts
D. cell wall and chloroplasts

A.mitochondria and vacuoles

Explanation:

The one on the left is the animal cell and the one on the right is the plant cell.

Both of these contain mitochondria and vacuoles(are larger in plant cells).

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.

carbon atoms, hydrogen, oxygen, and nitrogen.